英文關鍵字
agricultural
agriculture
air
background
blue
cause
change
climate
cloud
cloudy
country
countryside
eco
ecology
effect
energy
environment
environmental
factory
farm
field
fire
global
grain
grass
green
greenhouse
hazard
industry
issues
landscape
meadow
natural
nature
outdoor
paddy
plant
polluted
pollution
power
rice
rural
season
sky
smog
smoke
spring
tree
warming
while
white